save project

diy5.py

 i=3
 i=3
 username="python"
 username="python"
 userpassword="123456"
 userpassword="123456"
-while True:
+while True:
     if i>0:
     if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i=i-1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break